K. N. Government P. G. College, Gyanpur, Bhadohi | India
Dr. Ashish Varma is an accomplished physicist and Assistant Professor at K. N. Government P. G. College, Gyanpur, Bhadohi, India. He earned his Ph.D. in Physics from the University of Allahabad in 2022 and has established himself as an emerging researcher in plasma physics, laser–matter interaction, and nanostructured materials. With 31 publications, over 447 citations from 117 documents, and an h-index of 13, Dr. Varma’s work demonstrates significant impact in nonlinear laser-plasma interactions, electron Bernstein wave excitation, and nanocluster plasma dynamics. His recent studies focus on laser beam–assisted plasma heating, surface plasma wave generation, and nonlinear absorption in arrays of vertically aligned carbon nanotubes. Dr. Varma has contributed to leading journals such as Optik, Laser Physics, Journal of the Korean Physical Society, and Optical and Quantum Electronics. He has also explored computational condensed matter physics, investigating electronic, structural, and optical properties of advanced materials. A recipient of the UGC Junior Research Fellowship (JRF), he continues to advance fundamental understanding of laser-plasma coupling phenomena with applications in photonics and nanotechnology. Through his active research, Dr. Varma is contributing to the development of next-generation optical and plasma-based materials and technologies.
Featured Publications
Varma, A., Kumar, A., Mishra, S. P., Kumar, A., & Kumar, A. (2025). Surface plasma wave aided Laguerre–Gaussian laser beam second harmonic generation in arrays of vertically aligned carbon nanotube over metal surface. Journal of Laser Applications, 37(8), 7–12. https://doi.org/10.2351/7.0001819
Vishwakarma, M. K., Mishra, S. P., Kumar, A., Kumar, A., & Varma, A. (2025). Enhanced electron heating by electron plasma wave assisted beat wave of two different profile laser beams in magnetized collisional plasma with density rippled. Journal of the Korean Physical Society, 86(7), 1–8. https://doi.org/10.1007/s40042-025-01446-y
Ali, K., Kumar, S., Kumar, A., & Varma, A. (2025). Influence of field optimization property of Hermite cosh-Gaussian laser beam on nonlinear absorption in arrays of vertically aligned cylindrical carbon nanotubes. Radiation Effects and Defects in Solids, 180(4), 245–259. https://doi.org/10.1080/10420150.2025.2484740
Ansari, A., Patel, M. S., Mishra, S. P., Kumar, A., Kumar, A., & Varma, A. (2025). Excitation of large-amplitude electron plasma wave by counterpropagation of two laser beams in spherical nanoparticles. Laser Physics, 35(4), 046001. https://doi.org/10.1088/1555-6611/adc559
Kumar, S., Ali, K., Kumar, A., Kumar, A., Mishra, S. P., & Varma, A. (2025). Langmuir wave-assisted two-photon decay of an amplitude-modulated Gaussian laser beam in rippled density plasma. Arabian Journal for Science and Engineering, 50(1), 112–122. https://doi.org/10.1007/s13369-024-09234-9